Home / 30,105.12-41,545.24-16,676.08

Finding the Fourth Proportional to 30,105.12, 41,545.24 and 16,676.08

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Solution

The fourth proportional to 30,105.12, 41,545.24 and 16,676.08 is: 23,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.12 : 41,545.24 = 16,676.08 : x
  2. Step 2: Convert to fraction form
    30,105.12/41,545.24 = 16,676.08/x
  3. Step 3: Cross multiply
    30,105.12x = 41,545.24 × 16,676.08
  4. Step 4: Simplify right side
    30,105.12x = 692,811,745.86
  5. Step 5: Solve for x
    x = 692,811,745.86/30,105.12
  6. Step 6: Final answer
    x = 23,013.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.